Throwback Thursday: What is the Sun made of?

Ethan Siegel
Starts With A Bang!
10 min readMar 19, 2015

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It’s the greatest source of energy in the Universe, and yet we had no idea until less than 100 years ago.

“The sun is a miasma
Of incandescent plasma
The sun’s not simply made out of gas
No, no, no
The sun is a quagmire
It’s not made of fire
Forget what you’ve been told in the past” -They Might Be Giants

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Ethan Siegel
Starts With A Bang!

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.